The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.
To like many people spontaneously and without effort is perhaps the greatest of all sources of personal happiness.
If all our happiness is bound up entirely in our personal circumstances it is difficult not to demand of life more than it has to give.
Those who have never known the deep intimacy and the intense companionship of happy mutual love have missed the best thing that life has to give.
The fundamental cause of the trouble is that in the modern world, the stupid are cocksure while the intelligent are full of doubt.
Triết học không phải là sự giảm bớt sự bối rối, mà là làm cho sự bối rối trở nên đỏ đen và trắng đen.
